iamlothian

export type preFunc<T> = (target: T, propertyName: keyof T, args: any[], receiver: any) => void;
export type postFunc<T> = (target: T, propertyName: keyof T, args: any[], result: any, didError: boolean, duration: number, receiver: any) => void;

function postDefault<T extends object>(target: T, propertyName: keyof T, args: any[], result: any, didError: boolean, duration: number, receiver: any) {
    console.log(`${target.constructor.name}.${propertyName.toString()} - duration: ${duration}ms ${didError ? '[with Error]' : ''}`);
}

/**
 * wrap any object in a proxy that will expose pre and post handlers with a built in timer
 * @param source the object to proxy

iamlothian

<link rel="import" href="../google-map/google-map.html">
<link rel="import" href="../cool-clock/cool-clock.html">

<polymer-element name="my-element">

  <template>
    <style>    
      :host {
        position: absolute;
        width: 100%;